Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks at a Get out the Vote Rally in Mesa, Arizona. Romney spoke to a crowd of more than 2,000 people, and is the first contender to visit the state prior to the primary. ( Eric Thayer / Getty Images ) less

Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks at a Get out the Vote Rally in Mesa, Arizona. Romney spoke to a crowd of more than 2,000 people, and is the first contender to ... more